Home / 15,754.33-21,731.36-9,376.66

Finding the Fourth Proportional to 15,754.33, 21,731.36 and 9,376.66

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Solution

The fourth proportional to 15,754.33, 21,731.36 and 9,376.66 is: 12,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.33 : 21,731.36 = 9,376.66 : x
  2. Step 2: Convert to fraction form
    15,754.33/21,731.36 = 9,376.66/x
  3. Step 3: Cross multiply
    15,754.33x = 21,731.36 × 9,376.66
  4. Step 4: Simplify right side
    15,754.33x = 203,767,554.34
  5. Step 5: Solve for x
    x = 203,767,554.34/15,754.33
  6. Step 6: Final answer
    x = 12,934.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.